Why are traffic lights red yellow and green?

Traffic lights are pretty similar in most places, but not always everywhere. We talk about roads signs and driving conventions and standards. This is a good episode to learn how things could be different in places we haven't yet visited.If you like this episode, please share the podcast with your friends. And rate the show on iTunes so other people can find it and listen.Maya's page is at https://www.mayathesciencekid.com where you can see her videos and show notes.To contact Maya:EMAIL: [email protected]: @MayaSeattleFACEBOOK: https://www.facebook.com/mayathesciencekidMaya also has a Patreon page at https://www.patreon.com/MayaTheScienceKid where you can become a super supporter. We'd love to show Maya that people care enough to subscribe there and whatever she makes there will go towards teaching her to manage her own money.